Lacerta/component/viewer/src/main/res/navigation/component_viewer_navigation.xml

<?xml version="1.0" encoding="utf-8"?>
<navigation xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/component_viewer_navigation"
    app:startDestination="@id/componentViewerTopFragment">

    <fragment
        android:id="@+id/componentViewerTopFragment"
        android:name="one.nem.lacerta.component.viewer.ComponentViewerTopFragment"
        android:label="ComponentViewerTopFragment" >
        <action
            android:id="@+id/action_componentViewerTopFragment_to_viewerVcsRevListFragment"
            app:destination="@id/viewerVcsRevListFragment" />
    </fragment>
    <fragment
        android:id="@+id/viewerVcsRevListFragment"
        android:name="one.nem.lacerta.component.viewer.ViewerVcsRevListFragment"
        android:label="fragment_viewer_vcs_rev_list"
        tools:layout="@layout/fragment_viewer_vcs_rev_list" />
</navigation>